package com.jxt.myjxtmanager.utils;

/**
 * Created by exueyuan on 2016/4/7.
 */
public class StringUtils {
    public static boolean stringIsNull(String str) {
        return str == null || str.equals("");
    }
    public static String autoFillZero(String str) {
        if (str.length() == 1) {
            str = "0" + str;
        }
        return str;
    }
}
